meson: globally opt out of unsafe math optimizations

Thus closing issue #49, with a decision to opt for fully predictable
math, and increasing the ability to extend the use of hashes in result
image tests in GEGL.

diff --git a/meson.build b/meson.build
index 8c7d5222f2fd17a0b2babb3cba0f0924bdcd3b78..11ffdc91e387ba894b1d22e1970f41a8de150231 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -159,6 +159,7 @@ common_c_flags = []
 if buildtype == 'debugoptimized' or buildtype == 'release'
   common_c_flags += cc.get_supported_arguments(['-Ofast'])
 endif
+common_c_flags += cc.get_supported_arguments(['-fno-unsafe-math-optimizations'])
 
 extra_warnings_list = [
   '-Wdeclaration-after-statement',